7.8

1973

6.3

2022

6.7

2014

5.9

2009

8.7

1992

6.3

2023

10.0

2014

8.0

2021

7.7

2001

7.2

2014

9.5

2013

6.4

1997

4.0

2023

5.6

2006

4.6

2014

8.5

2020

7.2

1987

6.9

2015

6.8